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dankhong2001
2 năm trước
Hoàn thành sơ đồ phản ứng sau (ghi rõ điều kiện phản ứng, nếu có) HCl□(→┴((1)) ) H2→┴((2))Fe→┴((3))Fe3O4 →┴((4))H2O →┴((5)) O2→┴((6)) Al2O3
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